A Perfect Staurolite Crystal on Matrix from Russia - 3.7" - 266 Grams

A perfect Staurolite crystal on matrix from Russia. It is a 90 degree cross, which is of the rarest form of all Staurolite crystals, and most valued.
Location: Kola Peninsula, Russia.
Size: 9.5 x 7.4 x 3.8 Centimeters
Weight: 266 Grams